------------[ cut here ]------------
WARNING: CPU: 0 PID: 15 at net/mac80211/tx.c:4946 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4946 [inline]
WARNING: CPU: 0 PID: 15 at net/mac80211/tx.c:4946 __ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5347
Modules linked in:
CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4946 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5347
Code: f7 4c 89 ef e8 00 21 07 f8 45 31 ed 4c 8b bc 24 a0 00 00 00 e9 7f fe ff ff e8 2b 83 ce f7 0f 0b e9 61 f8 ff ff e8 1f 83 ce f7 <0f> 0b e9 85 fb ff ff e8 13 83 ce f7 48 c7 c7 20 02 fc 8d 4c 89 e6
RSP: 0018:ffffc900001478e8 EFLAGS: 00010246
RAX: ffffffff89b39e81 RBX: dffffc0000000000 RCX: ffff88813fef3c00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88813fef3c00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff888056676228
R13: ffff8880258b2024 R14: ffff888056676760 R15: ffff8880258b2000
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f59469ed6f8 CR3: 000000000c88e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ieee80211_beacon_get_tim+0x63/0x4e0 net/mac80211/tx.c:5474
 ieee80211_beacon_get include/net/mac80211.h:5335 [inline]
 mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2091
 __iterate_interfaces+0x225/0x4c0 net/mac80211/util.c:788
 ieee80211_iterate_active_interfaces_atomic+0xd7/0x170 net/mac80211/util.c:824
 mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147
 __run_hrtimer kernel/time/hrtimer.c:1751 [inline]
 __hrtimer_run_queues+0x522/0xc90 kernel/time/hrtimer.c:1815
 hrtimer_run_softirq+0x173/0x290 kernel/time/hrtimer.c:1832
 handle_softirqs+0x291/0x910 kernel/softirq.c:596
 run_ksoftirqd+0xa4/0x100 kernel/softirq.c:968
 smpboot_thread_fn+0x667/0xa30 kernel/smpboot.c:164
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>